Re: Using Makefile to run guix shell?

[Wojtek Kosior via <help-guix@gnu.org>]

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> I do not know enough about writing Makefiles, but is there a way 
> to chain together the rules and targets so you could either use 
> Guix or not, like a "make serial-shell" and a "make 
> guix-serial-shell" with the latter prepending "guix 
> time-machine..." to the serial-shell command?

How about sth like

#+begin_src makefile
something:
	@ echo "Doing something"

guix-something:
	guix shell coreutils -- $(MAKE) something

.PHONY: something guix-something
#+end_src

Assuming you did put the above under /tmp you can try it out like this

#+begin_example
/tmp$ make something
Doing something
/tmp$ make guix-something 
guix shell coreutils -- make something
make[1]: Entering directory '/tmp'
Doing something
make[1]: Leaving directory '/tmp'
#+end_example

This is great for phony targets (i.e. ones that are not intended to
produce a file with the same name as the target). You're also not
forbidden from making `guix-` variants for non-phony targets the same
way. Although then the `guix-` variant will end up being phony anyway
¯\_(ツ)_/¯

W

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On Thu, 08 Dec 2022 09:21:42 -0500
Peter Polidoro <peter@polidoro.io> wrote:

> zimoun <zimon.toutoune@gmail.com> writes:
> 
> > where I try to decouple what requires Guix and what not.  Well, 
> > I have
> > not tried, but the idea is then to run:
> >
> >     $ guix-serial-shell.sh make serial-shell
> >
> > where the Makefile contains the rule:
> >
> >     serial-shell:
> >        picocom -b 9600 -f n -y n -d 8 -p 1 -c $(PORT)  
> 
> I really like your approach and your directory layout, thank you.
> 
> So you are not concerned about Makefile conflicts or using Make in 
> ways that may not have been intended? Maybe I should just learn to 
> stop worrying and love the Makefile.
> 
> It does seem to add lots of complication in order to decouple Guix 
> from the Makefile, though, with all the extra shell scripts and 
> commands. In general I like the idea of software units being 
> decoupled, but realistically I never want to go back to life 
> before Guix. Spending too much effort making it work without Guix 
> just encourages other people to use bad practices I am starting to 
> think.
> 
> I do not know enough about writing Makefiles, but is there a way 
> to chain together the rules and targets so you could either use 
> Guix or not, like a "make serial-shell" and a "make 
> guix-serial-shell" with the latter prepending "guix 
> time-machine..." to the serial-shell command?
> 



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